planetesimals

planetesimals

美 　英

• n.【天】微星(的)
• 网络微行星；星子；微行星体

词形变化

复数：planetesimals  

英汉解释

n.	1. 【天】微星(的)

英英解释

n.	1. a small rocky astronomical object thought to have orbited the Sun in the early stages of the solar system before coalescing with others to form the planets

例句

Over the next 100 million years, the planets swept up some of these planetesimals and deflected the rest into the sun.

接下来的一亿年里，行星清除了一部份的微行星，并迫使其他的微行星偏折而投入太阳之中。

But a recent study by an MIT planetary scientist suggests that the planetesimals themselves provided the water that created oceans.

但最近进行的一项麻省理工学院的行星科学家的研究表明，星子（planetesimals）自己提供了形成海洋的水。

While this process had been modeled previously, no one had investigated whether water in planetesimals could produce oceans.

虽然这进程以前已经建模但没有人确定星子（planetesimals）中的水能否产生海洋。

Small town with the state, from large roadside and the planetesimals out of the officials most is the fire dragon dance to bring luck then?

小城连州，从大路边与星子出的官员最多，是不是舞火龙带来的运气呢？

The planets transferred their random motion to the doomed planetesimals and entered into circular or almost circular orbits.

行星因此把它们随机运动的动量，移转给那些命运悲惨的微行星，而进入近乎圆形的轨道中。

The Earth was made by the collision of billions of planetesimals, chunks of rock and ice much like today's asteroids and comets .

地球是由数十亿颗星子（即由大块岩石、像今天的小行星和慧星般大小的冰组成）碰撞而成。

One idea is that after the planets nearly formed, a substantial swarm of planetesimals still remained.

一个可能的想法是，在行星快完成时，仍剩下许多的微行星。